Windows Communicator is a cross-platform messenger that combines the advantages of desktop applications and web communications (web chat). The application allows you to do a private conversations between company employees, public conversations, conversations in chat rooms. Administrator can give communicator users an access to collecting screen shots, remote starting programs. Windows Communicator users can transfer files between them, even in offline mode (the user receives the file by logging into the system). The system administrator configures web chat: sets company working hours, number of concurrent web connections that employee can handle, the system messages such as "out of working hours", "no free agents to handle queries".